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All results from a given calculation for C2H4N4 (2H-Tetrazole, 2-methyl-)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-297.696084
Energy at 298.15K-297.703662
HF Energy-297.696084
Nuclear repulsion energy231.971783
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3271 3168 0.65      
2 A 3169 3068 1.20      
3 A 3133 3033 7.50      
4 A 3061 2964 18.02      
5 A 1520 1472 5.77      
6 A 1492 1444 9.53      
7 A 1478 1431 10.44      
8 A 1452 1406 1.01      
9 A 1394 1350 14.18      
10 A 1309 1268 11.49      
11 A 1291 1250 9.03      
12 A 1221 1182 10.95      
13 A 1158 1121 9.77      
14 A 1149 1113 0.01      
15 A 1034 1001 27.11      
16 A 1023 991 17.20      
17 A 1013 981 4.47      
18 A 895 867 12.63      
19 A 722 699 4.60      
20 A 706 683 12.64      
21 A 691 669 7.06      
22 A 360 348 4.72      
23 A 231 224 4.27      
24 A 92 89 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 16430.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 15910.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/cc-pVTZ
ABC
0.32738 0.13107 0.09529

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.307 -1.195 0.000
C2 1.410 -0.599 0.000
N3 0.190 -1.114 -0.000
N4 1.404 0.755 0.000
N5 0.147 1.103 -0.000
N6 -0.552 -0.014 -0.000
H7 -2.360 -0.555 -0.888
H8 -2.339 0.997 -0.004
H9 -2.360 -0.549 0.892
C10 -2.004 -0.036 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07672.11832.14923.15433.09274.79355.13754.79514.4642
C21.07671.32401.35442.12022.04693.87354.07513.87443.4604
N32.11831.32402.22832.21771.32642.75743.29472.76022.4448
N42.14921.35442.22831.30432.10104.08303.75074.08173.4984
N53.15432.12022.21771.30431.31773.13422.48813.13192.4339
N63.09272.04691.32642.10101.31772.08612.05412.08641.4528
H74.79353.87352.75744.08303.13422.08611.78721.78051.0888
H85.13754.07513.29473.75072.48812.05411.78721.78711.0863
H94.79513.87442.76024.08173.13192.08641.78051.78711.0889
C104.46423.46042.44483.49842.43391.45281.08881.08631.0889

picture of 2H-Tetrazole, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 N3 123.534 H1 C2 N4 123.868
C2 N3 N6 101.126 C2 N4 N5 105.760
N3 C2 N4 112.598 N3 N6 N5 114.013
N3 N6 C10 123.140 N4 N5 N6 106.502
N5 N6 C10 122.847 N6 C10 H7 109.492
N6 C10 H8 107.110 N6 C10 H9 109.508
H7 C10 H8 110.500 H7 C10 H9 109.695
H8 C10 H9 110.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.107      
2 C 0.001      
3 N -0.200      
4 N -0.161      
5 N -0.096      
6 N 0.142      
7 H 0.100      
8 H 0.106      
9 H 0.100      
10 C -0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.474 -1.426 -0.000 2.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.440 -0.148 -0.000
y -0.148 7.172 0.000
z -0.000 0.000 4.621


<r2> (average value of r2) Å2
<r2> 123.838
(<r2>)1/2 11.128